So why aren't these companies being shut down and their executives arrested for drug trafficking? As an individual this is exactly what would happen if say your

So why aren't these companies being shut down and their executives arrested for drug trafficking? As an individual this is exactly what would happen if say your St. John's wort also contained some prescription drug that you did not have a prescription for and the authorities found out. Somehow it's ok for companies to peddle this garbage to millions but not ok for the individual?